A printable Snellen Chart, which you can download online.
Something to cover one eye at a time, like an eye patch or a paper cup.
Scissors.
Tape or tack to hang the chart on your wall.
Pencil or pen to record your results.
To make sure the hospital does noy brake the law
Answer:
AB
Explanation:
Because your blood type is compatible with theirs
1 st expression = (a+b)^2
(a+b) (a+b)
2nd expression = a^2-b^2
= (a+b) (a-b)
therefore hcf = ( a+b)
